The science that deals with the study of life processes is known as

The correct option is C - Biology

• Physiology is the branch of biology dealing with the functions and activities of living organisms and their parts, including all physical and chemical processes.
• Psychology is the science of the mind or of mental states and processes.
• Biochemistry is the study of chemical processes within and relating to living organisms
• Morphology is a branch of biology dealing with the form and structure of organisms.

Thus, the answer is option (C) Biology.